Pebble Time vs. Pebble Time Steel vs. Polar M400 vs. Fitbit Alta vs. Withings Go

 
Time
Time Steel
M400
Alta
Go
 PebbleTimeRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$150$250$200$130$80
Release20152015201420162016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days10 days8 hours to 30 days5 days8 months
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144168 x 144n/an/an/a
Size1.26 inches1.26 inchesn/an/an/a
Touchn/an/a
Typee-papere-papern/aOLEDE-Ink

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATMn/a5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating SystemPebble OSPebble OSn/an/an/a
Appsn/a
Music

All Wearables